Bottle-cap.



A. M. MILLER.

BOTTLE GAP.

APPLIGATION FILED JUNE 17, 1908.

Patentgd Aug. 17, 1909.

ADRIAN M. MILLER, OF AUGUSTA, GEORGIA.

BOTTLE-CAP. I

Specification of Letters Patent.

Patented Aug. 17, 1909.

Application filed June 17, 1908. Serial No. 438,960.

To all whom it may concern:

.Be it known that I, ADRIAN M. MILLER, a citizen of the United States,residing at Augusta, in the county of Richmond and State of Georgia,have invented new and use ful Improvements in Bottle-Caps, of which thefollowing is a specification.

This invention relates to im')roven1ei1ts in metallic caps or seals forbottles, the object of the invention being to provide a cap of that typehaving a rim shouldered to interlock with a shoulder on the bottle withmeans for conveniently extracting or re- 1novin it from the bottle neck,the construction of the cap bein such as to maintain while applied atight sealing connection, while ermitting of a ready removal when aportion thereof is Withdrawn from engagement with the bottle shoulder.

The invention consists of the features of construction hereinafter fulldescribed and claimed, reference bein ha to the accompanying drawing, inwfiich Fi ure 1 is a erspective view of the neck of a ottle closed by myimproved cap. Fig. 21is a side elevation of the same. Fig. 3 is a sideelevation looking at the diametrically opposite side of the cap fromthat shown in Fig. 2 and showing the bottle in dotted lines. Fi 4 is abottom plan View of the cap.

fteferring to the drawing, the numeral 1 designates the neck of a.bottle of that type provided with a loekin shoulder 2 arrangedexternally below t e rim edge of the neck, and 3 designates a bottle capof that type comprising a crown portion 4 having a dependinguncorrugated rim 5 to surround the neck above the shoulder, said rimbein provided at its lower edge with a corrugated flange or extensionprovided with indented portions or shoulders to interlock with theshoulder 2 and thus secure the cap to the neck.

In accordance with my invention, the rim 5 is provided with a flange orextension 6 extending about half way' around the circumference thereof,said ange or extension being corrugated or otherwise formed to provide aseries of spaced shoulders or indented portions 7 to enga e the shoulder2, said shoulders 7 being preferably formed in practice by crimpingtheflange through the action of a suitable machine into engagement with theshoulder on the bottle neck. At the diametrically opposite side of thecap the rim 5 isprovided with a similar flange around the surface of therim, the transverse width .of the flange 8 being preferably equal toone-eighth, more or less, of the circumference of the rim. Theseproportions of the engaging flanges or extensions may vary, but thelocking portion 6 should be in practice of a width to extend nearly, ifnot quite, around one-half of the circumference of the rim, while theportion 8, may vary in size as circumstances under different conditionsmay require. The portion 8 is formed with a series of locking shouldersor indentations 9 corres onding to the shoulders 7 and is provide with adepending extension 10 serving as a fin or tab or lever by which theportion 8 may e withdrawn from locking engagement with the shoulder 2and the cap pried off the bottle.

It will be observed that by the construction and arrangement of thelocking portions 6 and 8 above described, cut-away portions or recesses11 are provided between the extreme adjacent ends of the locking portions, or that the rim is free from looking flanges or extensions betweensuch locking portions, so that thecap is confined on one side of itscenter by the locking flange 6 and on the opposite side of its center bthe locking portlon 8, which grip the bott e s'e curely enough tomaintain the cap firmly in position to secure a. seal against anyordinary internal pressure; When the finger tab or lever 10 is pulledoutward and upward, and the locking portion 8 is thereby disengaged fromthe shoulder 2, it is obvious that the cap being free from otherengaging projections on the same side as the portion 8 may be tiltedupward and forced forward to move the lOCklIlg portion 6 out ofengagement with the shoulder, whereupon the cap will be disconnected.The absence of locking portions along the surfaces 11 facilitates theremoval of the cap, in that the cap is weakened on a line transverselybetween the same to permit the side of the body of a refractory cap onwhich the shorter flange is formed to bend on the line mw, Fig. 4,upward to the required degree to facilitate its extraction. This oper'ation is facilitated by leaving the rim uncorrugated-or unstiffened sothat it will not oppose -an inhibitory resistance. As shown, the tab 10,however, is provided with longitudinal corrugations formingcontinuations of the locking corrugations of the flange 8.

' or extension 8, extending to a lesser degree caps of this charactermaybe removed with: out the use of auxiliary extracting devices.

Havin thus fully described the invention, what is c aimed as new is a Abottle cap comprising a. top provided with a dependln uncorrugatedcircular rim anges at diametrically 0p-- having locking posits sidesthereof, said flanges bein c0rru ated to provide instruck shoulders orinter ocking engagement with a shoulder on the bottle neck, one of saidflanges extending practically around one half the surface of the rim andthe other a materially less distance around the diametrically oppositesurface of the rim, leaving comparatlvely wide s aces between theopposing ends of said an es, whereby the cap and flange are wea (enedtransversely between said spaces, and a finger tab or lever projectingfrom the shorter flange, said tab having longitudinal stifl'eningcorrugations formin continuations of the corrugations of said s orterflange. In testimony. whereof I affix my signature m presence of twowitnesses.

ADRIAN M. MILLER.

Witnesses:

A. E. CURLING, I WM. A. JOHNSTON.

